Lighting device



FIG. 1 is a top, front and right side perspective view of an lighting device showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right side view thereof, the left side view being a mirror image;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a top, front and right side perspective view of a second embodiment of a lighting device showing my new design;

FIG. 8 is a right side view thereof, the left side view, the front elevational view and rear elevational view being a mirror image;

FIG. 9 is a top plan view thereof; and,

FIG. 10 is a bottom plan view thereof. 

The ornamental design for a lighting device, as shown and described. 